1/27+404/2727+131313/272727 简便计算

分类: 作业答案 • 2022-01-09 18:04:21

问题描述：

答

1/27+404/2727+131313/272727 简便计算求助,快!
1/27+404/2727+131313/272727
=1/27+4*101/2727+13*10101/272727
=1/27+4/27+13/27
=2/3